Pith Number

pith:FWBZFZO4

pith:2016:FWBZFZO4VLLPMWUFLJHKNZYOTM

not attested not anchored not stored refs pending

A new look at the Feynman `hodograph' approach to the Kepler first law

Jose F. Cari\~nena, M.F. Ra\~nada, M. Santander

arxiv:1605.01204 v1 · 2016-05-04 · math-ph · math.MP · physics.class-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FWBZFZO4VLLPMWUFLJHKNZYOTM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:15:37.529637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d8392e5dcaad6f65a855a4ea6e70e9b3cfbbffce683acd22f57f7e5524dbcfb

Aliases

arxiv: 1605.01204 · arxiv_version: 1605.01204v1 · doi: 10.48550/arxiv.1605.01204 · pith_short_12: FWBZFZO4VLLP · pith_short_16: FWBZFZO4VLLPMWUF · pith_short_8: FWBZFZO4

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/FWBZFZO4VLLPMWUFLJHKNZYOTM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 2d8392e5dcaad6f65a855a4ea6e70e9b3cfbbffce683acd22f57f7e5524dbcfb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9efb204e76514b3d21d99acbbc1bae6386640cea582b6e596039a6b88f28b4f9",
    "cross_cats_sorted": [
      "math.MP",
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2016-05-04T10:03:38Z",
    "title_canon_sha256": "ac1ab1907e09ed898dcab28d6035a5837b4e9108a2b2dab8ae6738167873636d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01204",
    "kind": "arxiv",
    "version": 1
  }
}